openssl: Bignum squaring may produce incorrect results
Published Jan 9, 2015
3.7
LOWCVSS 3.0
EPSS 21.87%
Description
The BN_sqr implementation in OpenSSL before 0.9.8zd, 1.0.0 before 1.0.0p, and 1.0.1 before 1.0.1k does not properly calculate the square of a BIGNUM value, which might make it easier for remote attackers to defeat cryptographic protection mechanisms via unspecified vectors, related to crypto/bn/asm/mips.pl, crypto/bn/asm/x86_64-gcc.c, and crypto/bn/bn_asm.c.
Affected products
No data.
- ≤ 0.9.8zc
- 1.0.0a
- 1.0.0b
- 1.0.0c
- 1.0.0d
- 1.0.0e
- 1.0.0f
- 1.0.0g
- 1.0.0h
- 1.0.0i
- 1.0.0j
- 1.0.0k
- 1.0.0l
- 1.0.0m
- 1.0.0n
- 1.0.0o
- 1.0.1a
- 1.0.1b
- 1.0.1c
- 1.0.1d
- 1.0.1e
- 1.0.1f
- 1.0.1g
- 1.0.1h
- 1.0.1i
- 1.0.1j
No data.
Red Hat Enterprise Linux 6
openssl-0:1.0.1e-30.el6_6.5
Fixed · RHSA-2015:0066
Red Hat Enterprise Linux 7
openssl-1:1.0.1e-34.el7_0.7
Fixed · RHSA-2015:0066
Red Hat JBoss Enterprise Application Platform 6.4
n/a
Fixed · RHSA-2015:0849
Red Hat JBoss Web Server 2.1
openssl
Fixed · RHSA-2016:1650
Red Hat Enterprise Linux 5
openssl
Affected
Red Hat Enterprise Linux 5
openssl097a
Will not fix
Red Hat Enterprise Linux 6
openssl098e
Will not fix
Red Hat Enterprise Linux 7
openssl098e
Will not fix
Red Hat JBoss Enterprise Application Platform 6
openssl
Affected
Red Hat JBoss Enterprise Web Server 1
openssl
Will not fix
Red Hat Storage 2
openssl
Affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | openssl-0:1.0.1e-30.el6_6.5 | Fixed | RHSA-2015:0066 |
| Red Hat Enterprise Linux 7 | openssl-1:1.0.1e-34.el7_0.7 | Fixed | RHSA-2015:0066 |
| Red Hat JBoss Enterprise Application Platform 6.4 | n/a | Fixed | RHSA-2015:0849 |
| Red Hat JBoss Web Server 2.1 | openssl | Fixed | RHSA-2016:1650 |
| Red Hat Enterprise Linux 5 | openssl | Affected | n/a |
| Red Hat Enterprise Linux 5 | openssl097a | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | openssl098e | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | openssl098e | Will not fix | n/a |
| Red Hat JBoss Enterprise Application Platform 6 | openssl | Affected | n/a |
| Red Hat JBoss Enterprise Web Server 1 | openssl | Will not fix | n/a |
| Red Hat Storage 2 | openssl | Affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue affects the version of openssl098e as shipped with Red Hat Enterprise Linux 6 and 7. Red Hat Product Security has rated this issue as having Low security impact and does not plan to address this flaw for the above components in any future security updates. This issue affects the version of openssl and openssl097a as shipped with Red Hat Enterprise Linux 5. Red Hat Enterprise Linux 5 is now in Production 3 Phase of the support and maintenance life cycle. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
AV:N/AC:L/Au:N/C:P/I:N/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (39 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 21.87% (0.21869) | 97.58th | v5 (v2026.06.15) |
| Jun 15, 2026 | 21.32% (0.21320) | 97.28th | v5 (v2026.06.15) |
| Mar 4, 2026 | 6.83% (0.06835) | 91.18th | v4 (v2025.03.14) |
| Mar 1, 2026 | 5.52% (0.05523) | 90.13th | v4 (v2025.03.14) |
| Feb 4, 2026 | 6.83% (0.06835) | 91.13th | v4 (v2025.03.14) |
| Feb 1, 2026 | 5.52% (0.05523) | 90.07th | v4 (v2025.03.14) |
| Jan 4, 2026 | 6.83% (0.06835) | 91.05th | v4 (v2025.03.14) |
| Jan 1, 2026 | 5.52% (0.05523) | 90.02th | v4 (v2025.03.14) |
| Dec 28, 2025 | 6.83% (0.06835) | 91.03th | v4 (v2025.03.14) |
| Dec 27, 2025 | 5.49% (0.05486) | 89.96th | v4 (v2025.03.14) |
| Dec 21, 2025 | 6.83% (0.06835) | 91.02th | v4 (v2025.03.14) |
| Oct 28, 2025 | 7.99% (0.07990) | 91.68th | v4 (v2025.03.14) |
| Oct 27, 2025 | 6.43% (0.06434) | 90.65th | v4 (v2025.03.14) |
| Oct 1, 2025 | 8.63% (0.08627) | 92.13th | v4 (v2025.03.14) |
| Jul 30, 2025 | 5.98% (0.05980) | 90.31th | v4 (v2025.03.14) |
| Jul 4, 2025 | 7.44% (0.07437) | 91.30th | v4 (v2025.03.14) |
| Jul 1, 2025 | 9.01% (0.09014) | 92.27th | v4 (v2025.03.14) |
| Jun 4, 2025 | 7.44% (0.07437) | 91.26th | v4 (v2025.03.14) |
| Jun 1, 2025 | 9.01% (0.09014) | 92.21th | v4 (v2025.03.14) |
| May 4, 2025 | 7.44% (0.07437) | 91.24th | v4 (v2025.03.14) |
| May 1, 2025 | 9.01% (0.09014) | 92.18th | v4 (v2025.03.14) |
| Apr 17, 2025 | 7.44% (0.07437) | 91.24th | v4 (v2025.03.14) |
| Mar 30, 2025 | 9.60% (0.09598) | 92.13th | v4 (v2025.03.14) |
| Mar 29, 2025 | 23.62% (0.23616) | 93.55th | v4 (v2025.03.14) |
| Mar 28, 2025 | 9.60% (0.09598) | 92.14th | v4 (v2025.03.14) |
| Mar 27, 2025 | 23.62% (0.23616) | 95.22th | v4 (v2025.03.14) |
| Mar 20, 2025 | 10.43% (0.10430) | 92.61th | v4 (v2025.03.14) |
| Mar 19, 2025 | 20.75% (0.20750) | 94.89th | v4 (v2025.03.14) |
| Mar 17, 2025 | 10.43% (0.10430) | 92.66th | v4 (v2025.03.14) |
| Dec 17, 2024 | 9.77% (0.09771) | 94.82th | v3 (v2023.03.01) |
| Dec 12, 2024 | 12.58% (0.12581) | 95.68th | v3 (v2023.03.01) |
| Dec 16, 2023 | 12.27% (0.12266) | 94.86th | v3 (v2023.03.01) |
| Nov 8, 2023 | 17.05% (0.17049) | 95.53th | v3 (v2023.03.01) |
| Oct 29, 2023 | 0.55% (0.00549) | 74.91th | v3 (v2023.03.01) |
| Sep 15, 2023 | 0.78% (0.00778) | 79.27th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.90% (0.00903) | 80.28th | v3 (v2023.03.01) |
| Mar 6, 2023 | 7.56% (0.07559) | 92.87th | v2 (v2022.01.01) |
| Apr 1, 2022 | 7.56% (0.07559) | 92.17th | v2 (v2022.01.01) |
| Feb 4, 2022 | 7.56% (0.07559) | 81.11th | v2 (v2022.01.01) |
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No recorded changes yet.