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Bug Fix Advisory ncompress bug fix update

Advisory: RHBA-2012:0043-1
Type: Bug Fix Advisory
Severity: N/A
Issued on: 2012-01-23
Last updated on: 2012-01-23
Affected Products: Red Hat Enterprise Linux Desktop (v. 6)
Red Hat Enterprise Linux HPC Node (v. 6)
Red Hat Enterprise Linux Server (v. 6)
Red Hat Enterprise Linux Server AUS (v. 6.2)
Red Hat Enterprise Linux Server EUS (v. 6.2.z)
Red Hat Enterprise Linux Workstation (v. 6)

Details

An updated ncompress package that fixes one bug is now available for Red Hat
Enterprise Linux 6.

The ncompress package contains the compress and uncompress file compression and
decompression utilities, which are compatible with the original UNIX compress
utility (.Z file extensions).

This update fixes the following bug:

* The ncompress utility previously relied on the glibc implementation of the
memcpy() function. A recent glibc update optimized memcpy(), which resulted in
data corruption in ncompress file compression and decompression. This update
replaces memcpy() with the memmove() function and ncompress now works as
expected. (BZ#781973)

All users of ncompress are advised to upgrade to this updated package, which
fixes this bug.


Solution

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

This update is available via Red Hat Network. Details on how to use the Red Hat
Network to apply this update are available at
https://access.redhat.com/kb/docs/DOC-11259

Updated packages

Red Hat Enterprise Linux Desktop (v. 6)

SRPMS:
ncompress-4.2.4-54.el6_2.1.src.rpm     MD5: a1e0c32c09d302d2f080a900fffeceb6
SHA-256: 8dc6d418cc92828ebf29f8266c318611b4c98abfdcf007982a8f80e84787eb92
 
IA-32:
ncompress-4.2.4-54.el6_2.1.i686.rpm     MD5: 26afa8cccc5bb8e303eeb98a10690128
SHA-256: 71eb6684b0e2d95604a51f69b28b68583685a8121dcdf01baf39f4a3bb9bbf94
ncompress-debuginfo-4.2.4-54.el6_2.1.i686.rpm     MD5: 4c67a9be4850e5a0675a0d7f958e20da
SHA-256: 1f6fc586085e1c0b9cd1a12780eae77fda329d1b2ea6a9605eaf47d53bef3a4e
 
x86_64:
ncompress-4.2.4-54.el6_2.1.x86_64.rpm     MD5: cc4f3415a70fab5d9bac75debe425722
SHA-256: 43f07e9cad55f1de222772df45be2ea202be43e6558de360aeff51f8973ce78b
ncompress-debuginfo-4.2.4-54.el6_2.1.x86_64.rpm     MD5: d51b134343c0c72b04691419f87c61a2
SHA-256: 1e542233274818e20c9147d446b824fc26c2f05cd8cd11f1efc8856430bda0b1
 
Red Hat Enterprise Linux HPC Node (v. 6)

SRPMS:
ncompress-4.2.4-54.el6_2.1.src.rpm     MD5: a1e0c32c09d302d2f080a900fffeceb6
SHA-256: 8dc6d418cc92828ebf29f8266c318611b4c98abfdcf007982a8f80e84787eb92
 
x86_64:
ncompress-4.2.4-54.el6_2.1.x86_64.rpm     MD5: cc4f3415a70fab5d9bac75debe425722
SHA-256: 43f07e9cad55f1de222772df45be2ea202be43e6558de360aeff51f8973ce78b
ncompress-debuginfo-4.2.4-54.el6_2.1.x86_64.rpm     MD5: d51b134343c0c72b04691419f87c61a2
SHA-256: 1e542233274818e20c9147d446b824fc26c2f05cd8cd11f1efc8856430bda0b1
 
Red Hat Enterprise Linux Server (v. 6)

SRPMS:
ncompress-4.2.4-54.el6_2.1.src.rpm     MD5: a1e0c32c09d302d2f080a900fffeceb6
SHA-256: 8dc6d418cc92828ebf29f8266c318611b4c98abfdcf007982a8f80e84787eb92
 
IA-32:
ncompress-4.2.4-54.el6_2.1.i686.rpm     MD5: 26afa8cccc5bb8e303eeb98a10690128
SHA-256: 71eb6684b0e2d95604a51f69b28b68583685a8121dcdf01baf39f4a3bb9bbf94
ncompress-debuginfo-4.2.4-54.el6_2.1.i686.rpm     MD5: 4c67a9be4850e5a0675a0d7f958e20da
SHA-256: 1f6fc586085e1c0b9cd1a12780eae77fda329d1b2ea6a9605eaf47d53bef3a4e
 
PPC:
ncompress-4.2.4-54.el6_2.1.ppc64.rpm     MD5: 5d300fc5d404c6bcbcfd70144ae7a580
SHA-256: a945c6ef09ad4fd56621bde10f66befa640b7ec22d4a96dd3a3471a98156c1ab
ncompress-debuginfo-4.2.4-54.el6_2.1.ppc64.rpm     MD5: bce702e7368e10a30707f813c3b1da3b
SHA-256: 0abfc2e1d83b8ff50ffb08a1892fea458fd441e25fcedca89bafda6a0834e691
 
s390x:
ncompress-4.2.4-54.el6_2.1.s390x.rpm     MD5: a6a2a6b4cf901b0bb0544c83e0945bbd
SHA-256: 6a875cdce7975a381dc030150bb62d23988ad9ffdba190190faed92be0608d56
ncompress-debuginfo-4.2.4-54.el6_2.1.s390x.rpm     MD5: ff494811cc80a297ef8a3be2ca233505
SHA-256: 5223ea45476cbac99ce9066ffd6780ba6620793690512a2076e515e25648cad1
 
x86_64:
ncompress-4.2.4-54.el6_2.1.x86_64.rpm     MD5: cc4f3415a70fab5d9bac75debe425722
SHA-256: 43f07e9cad55f1de222772df45be2ea202be43e6558de360aeff51f8973ce78b
ncompress-debuginfo-4.2.4-54.el6_2.1.x86_64.rpm     MD5: d51b134343c0c72b04691419f87c61a2
SHA-256: 1e542233274818e20c9147d446b824fc26c2f05cd8cd11f1efc8856430bda0b1
 
Red Hat Enterprise Linux Server AUS (v. 6.2)

SRPMS:
ncompress-4.2.4-54.el6_2.1.src.rpm     MD5: a1e0c32c09d302d2f080a900fffeceb6
SHA-256: 8dc6d418cc92828ebf29f8266c318611b4c98abfdcf007982a8f80e84787eb92
 
x86_64:
ncompress-4.2.4-54.el6_2.1.x86_64.rpm     MD5: cc4f3415a70fab5d9bac75debe425722
SHA-256: 43f07e9cad55f1de222772df45be2ea202be43e6558de360aeff51f8973ce78b
ncompress-debuginfo-4.2.4-54.el6_2.1.x86_64.rpm     MD5: d51b134343c0c72b04691419f87c61a2
SHA-256: 1e542233274818e20c9147d446b824fc26c2f05cd8cd11f1efc8856430bda0b1
 
Red Hat Enterprise Linux Server EUS (v. 6.2.z)

SRPMS:
ncompress-4.2.4-54.el6_2.1.src.rpm     MD5: a1e0c32c09d302d2f080a900fffeceb6
SHA-256: 8dc6d418cc92828ebf29f8266c318611b4c98abfdcf007982a8f80e84787eb92
 
IA-32:
ncompress-4.2.4-54.el6_2.1.i686.rpm     MD5: 26afa8cccc5bb8e303eeb98a10690128
SHA-256: 71eb6684b0e2d95604a51f69b28b68583685a8121dcdf01baf39f4a3bb9bbf94
ncompress-debuginfo-4.2.4-54.el6_2.1.i686.rpm     MD5: 4c67a9be4850e5a0675a0d7f958e20da
SHA-256: 1f6fc586085e1c0b9cd1a12780eae77fda329d1b2ea6a9605eaf47d53bef3a4e
 
PPC:
ncompress-4.2.4-54.el6_2.1.ppc64.rpm     MD5: 5d300fc5d404c6bcbcfd70144ae7a580
SHA-256: a945c6ef09ad4fd56621bde10f66befa640b7ec22d4a96dd3a3471a98156c1ab
ncompress-debuginfo-4.2.4-54.el6_2.1.ppc64.rpm     MD5: bce702e7368e10a30707f813c3b1da3b
SHA-256: 0abfc2e1d83b8ff50ffb08a1892fea458fd441e25fcedca89bafda6a0834e691
 
s390x:
ncompress-4.2.4-54.el6_2.1.s390x.rpm     MD5: a6a2a6b4cf901b0bb0544c83e0945bbd
SHA-256: 6a875cdce7975a381dc030150bb62d23988ad9ffdba190190faed92be0608d56
ncompress-debuginfo-4.2.4-54.el6_2.1.s390x.rpm     MD5: ff494811cc80a297ef8a3be2ca233505
SHA-256: 5223ea45476cbac99ce9066ffd6780ba6620793690512a2076e515e25648cad1
 
x86_64:
ncompress-4.2.4-54.el6_2.1.x86_64.rpm     MD5: cc4f3415a70fab5d9bac75debe425722
SHA-256: 43f07e9cad55f1de222772df45be2ea202be43e6558de360aeff51f8973ce78b
ncompress-debuginfo-4.2.4-54.el6_2.1.x86_64.rpm     MD5: d51b134343c0c72b04691419f87c61a2
SHA-256: 1e542233274818e20c9147d446b824fc26c2f05cd8cd11f1efc8856430bda0b1
 
Red Hat Enterprise Linux Workstation (v. 6)

SRPMS:
ncompress-4.2.4-54.el6_2.1.src.rpm     MD5: a1e0c32c09d302d2f080a900fffeceb6
SHA-256: 8dc6d418cc92828ebf29f8266c318611b4c98abfdcf007982a8f80e84787eb92
 
IA-32:
ncompress-4.2.4-54.el6_2.1.i686.rpm     MD5: 26afa8cccc5bb8e303eeb98a10690128
SHA-256: 71eb6684b0e2d95604a51f69b28b68583685a8121dcdf01baf39f4a3bb9bbf94
ncompress-debuginfo-4.2.4-54.el6_2.1.i686.rpm     MD5: 4c67a9be4850e5a0675a0d7f958e20da
SHA-256: 1f6fc586085e1c0b9cd1a12780eae77fda329d1b2ea6a9605eaf47d53bef3a4e
 
x86_64:
ncompress-4.2.4-54.el6_2.1.x86_64.rpm     MD5: cc4f3415a70fab5d9bac75debe425722
SHA-256: 43f07e9cad55f1de222772df45be2ea202be43e6558de360aeff51f8973ce78b
ncompress-debuginfo-4.2.4-54.el6_2.1.x86_64.rpm     MD5: d51b134343c0c72b04691419f87c61a2
SHA-256: 1e542233274818e20c9147d446b824fc26c2f05cd8cd11f1efc8856430bda0b1
 
(The unlinked packages above are only available from the Red Hat Network)

Bugs fixed (see bugzilla for more information)

781973 - uncompress fails to uncompress a file it compressed


Keywords

ncompress


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https://www.redhat.com/security/team/key/#package

The Red Hat security contact is secalert@redhat.com. More contact details at http://www.redhat.com/security/team/contact/